The term "actual quantity" is correct and usable in written English.
You can use it to refer to an amount of something that is measured or estimated. For example, "The actual quantity of fish that we managed to catch was significantly lower than we predicted."
They were then asked to guess whether the actual quantity fell above or below that random value and make their best estimate of that actual quantity.
In addition, the actual quantity of reductions that could be achieved through a tax would be unknown in advance.
At a press conference in August, Sir Mervyn gave a clear account of the actual quantity of loans being dispatched.
Expectancies significantly increased aggressive behavior, whereas actual quantity of alcohol ingested was unrelated to aggression.
The officials said that these were only what Iraq admitted to having produced, and that the actual quantity could be more.
This parameter was used to compare the actual quantity of W, in a solid solution of electrodeposited Ni–W alloys, with the value determined by EDX.
Figuring out the actual quantities is far harder.
Which sounds impressive — except that the actual quantities are still small.
Actual quantities of vitamin C in fruits are not especially large, but the vitamin is particularly important in the diet because of its role in the prevention of disease and in the general promotion of good health.
Actual quantities of pheromone components varied 10-fold among individuals, but the blend composition was relatively constant with the mean proportion of D1 in the blend being 51.4% although extremes of 35.1 71.3% were recorded.
But the actual quantities of shale gas remain unknown.
